8189976032 has 144 divisors (see below), whose sum is σ = 20042951040. Its totient is φ = 3273080832.

The previous prime is 8189976019. The next prime is 8189976059. The reversal of 8189976032 is 2306799818.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3010769 + ... + 3013487.

It is an arithmetic number, because the mean of its divisors is an integer number (139187160).

Almost surely, 2^8189976032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8189976032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10021475520).

8189976032 is an abundant number, since it is smaller than the sum of its proper divisors (11852975008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8189976032 is a wasteful number, since it uses less digits than its factorization.

8189976032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873 (or 2858 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 8189976032 is about 90498.4863519827. The cubic root of 8189976032 is about 2015.7076479356.

The spelling of 8189976032 in words is "eight billion, one hundred eighty-nine million, nine hundred seventy-six thousand, thirty-two".